package com.hnd.test;

import java.util.HashMap;
import java.util.Map;

public class UserDao {
    static Map<String, String> data = new HashMap<>();

    static {
        data.put("hnd1", "hnd1");
        data.put("hnd2", "hnd2");
        data.put("hnd3", "hnd3");
        data.put("hnd4", "hnd4");
        data.put("hnd5", "hnd5");
        data.put("hnd6", "hnd6");
        data.put("hnd7", "hnd7");
    }

    public void query(String key) {
        System.out.println(data.get(key));
    }
}
